compliant UK /kəmˈplʌɪənt/US /kəmˈplaɪənt/ adjective3 •Willing to comply; submissive; willing to do what someone wants.The suspect was compliant when arrested.Tendon is compliant compared to bone. •Compatible with or following guidelines, specifications, rules, or laws.The browser is standards-compliant.The workplace is compliant with the Americans with Disabilities Act. •Deforming under pressure; yielding. formsmore compliant · most compliant